Submission #461404

#	Time	Username	Problem	Language	Result	Execution time	Memory
461404		Blobo2_Blobo2	Art Exhibition (JOI18_art)	C++14	0 / 100	1 ms	204 KiB

art

/*
Editor: Abdelrahman Hossam
Nickname: Blobo2_Blobo2
IOI next year isA :)
*/
/*#pragma GCC optimize("Ofast,no-stack-protector,unroll-loops,fast-math,O3")
//#pragma GCC target("sse,sse2,sse3,ssse3,sse4,sse4.2,popcnt,abm,mmx,avx2,tune=native")
#pragma GCC optimize("-ffast-math")
#pragma GCC optimize("-funroll-loops")
#pragma GCC optimize("-funroll-all-loops,-fpeel-loops,-funswitch-loops")*/
#include<bits/stdc++.h>
using namespace std;
#define int long long
#define endl "\n"
#define all(v)  v.begin(),v.end()
#define gen(arr,n,nxt)  generate(arr,arr+n,nxt)
#define Blobo2_el_7akim_elly_3ayz_yro7_IOI_w_3ayz_yakol_jilaty ios_base::sync_with_stdio(false);cin.tie(0);

const int mo=1e9+7,INF=1e18;
int nxt(){int x;cin>>x;return x;}

signed main(){
    Blobo2_el_7akim_elly_3ayz_yro7_IOI_w_3ayz_yakol_jilaty
    int n=nxt();
    vector<pair<int,int> >v;
    int mx=0;
    for(int i=0;i<n;i++)
        v.push_back({nxt(),nxt()}),mx=max(v.back().second,mx);
    sort(all(v));
    int pre1[n+1],pre2[n+1];
    pre1[0]=0;
    pre2[0]=0;
    pre1[1]=0;
    for(int i=0;i<n-1;i++)
        pre1[i+2]=(v[i+1].first-v[i].first)+pre1[i+1];
    for(int i=0;i<n;i++)
        pre2[i+1]=pre2[i]+v[i].second;
    for(int i=0;i<n;i++)
        mx=max(mx,pre2[i+1]-pre1[i+1]);
    cout<<mx;
    return 0;
}

• Subtask 1: 0 / 10
• Subtask 2: 0 / 20
• Subtask 3: 0 / 20
• Subtask 4: 0 / 50